Consider including function that will allow user to create a local version (easily updatable) of the NHSPD in a fast format (eg Parquet)

[francisbarton]

And a partner function that would show how to set up the PD in memory using sqlite or duckdb or something, for use in R work.

[Lextuga007]

Something that @tomjemmett mentioned in the {NHSRpopulation} package on solutions for large files nhs-r-community/NHSRpopulation#5 (comment) that may be useful to consider too.